DOBROTINA, I. N. Materials of the All-Russian School Olympiad as a means of improving scientific and methodological competence of a teacher. Pedagogika, [S. l.], v. 89, n. 9, p. 88–93, 2025. Disponível em: https://ojs.owebs.ru/pedagogika/article/view/30473. Acesso em: 8 nov. 2026.